diff options
| author | Raag Jadav <raag.jadav@intel.com> | 2024-08-23 09:15:48 +0530 |
|---|---|---|
| committer | Anshuman Gupta <anshuman.gupta@intel.com> | 2024-08-28 12:06:07 +0530 |
| commit | 727eb1e3f014e66dcdec53afc6f5bfe0d8c0871d (patch) | |
| tree | 278ed71d7eb26c8af9007c5c977dabfb05d9a4ec /Documentation/ABI | |
| parent | 03ded4d432a1fb7bb6c44c5856d14115f6f6c3b9 (diff) | |
drm/i915/hwmon: expose fan speed
Add hwmon support for fan1_input attribute, which will expose fan speed
in RPM. With this in place we can monitor fan speed using lm-sensors tool.
$ sensors
i915-pci-0300
Adapter: PCI adapter
in0: 653.00 mV
fan1: 3833 RPM
power1: N/A (max = 43.00 W)
energy1: 32.02 kJ
v2: Handle overflow, add mutex protection and ABI documentation
Aesthetic adjustments (Riana)
v3: Change rotations data type, ABI date and version
v4: Fix wakeref leak
Drop switch case and simplify hwm_fan_xx() (Andi)
v5: Rework time calculation, aesthetic adjustments (Andy)
v6: Drop redundant overflow logic (Andy)
Split fan_input_read() into dedicated helper (Badal)
v7: Fix undefined reference to __udivdi3 for i386 (Andy)
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Riana Tauro <riana.tauro@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Badal Nilawar <badal.nilawar@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240823034548.2670032-1-raag.jadav@intel.com
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon b/Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon index 92fe7c5c5ac1..be4141a7522f 100644 --- a/Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon +++ b/Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon @@ -75,3 +75,11 @@ Description: RO. Energy input of device or gt in microjoules. for the gt. Only supported for particular Intel i915 graphics platforms. + +What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/fan1_input +Date: November 2024 +KernelVersion: 6.12 +Contact: intel-gfx@lists.freedesktop.org +Description: RO. Fan speed of device in RPM. + + Only supported for particular Intel i915 graphics platforms. |